Finding the Fourth Proportional to 948,405.19, 1,308,821.58 and 540,544.98
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Solution
The fourth proportional to 948,405.19, 1,308,821.58 and 540,544.98 is: 745,964.85
Step by Step Solution
- Step 1: Write the proportion equation
948,405.19 : 1,308,821.58 = 540,544.98 : x - Step 2: Convert to fraction form
948,405.19/1,308,821.58 = 540,544.98/x - Step 3: Cross multiply
948,405.19x = 1,308,821.58 × 540,544.98 - Step 4: Simplify right side
948,405.19x = 707,476,934,784.67 - Step 5: Solve for x
x = 707,476,934,784.67/948,405.19 - Step 6: Final answer
x = 745,964.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.